[ https://issues.apache.org/jira/browse/MAPREDUCE-1334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kay Kay updated MAPREDUCE-1334:
-------------------------------
Attachment: MAPREDUCE-1334.patch
Set the configuration parameter to not create _SUCCESS on the completion of the job.
> contrib/index - test - TestIndexUpdater fails due to an additional presence of file _SUCCESS
in hdfs
> -----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1334
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1334
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: test
> Reporter: Kay Kay
> Fix For: 0.21.0
>
> Attachments: MAPREDUCE-1334.patch, MAPREDUCE-1334.patch
>
>
> $ cd src/contrib/index
> $ ant clean test
> This fails the test TestIndexUpdater due to a mismatch in the - doneFileNames - data
structure, when it is being run with different parameters.
> (ArrayIndexOutOfBoundsException raised when inserting elements in doneFileNames, array
).
> Debugging further - there seems to be an additional file called as - hdfs://localhost:36021/myoutput/_SUCCESS
, taken into consideration in addition to those that begins with done* . The presence of
the extra file causes the error.
> Attaching a patch that would circumvent this by increasing the array length of shards
by 1 .
> But longer term the test fixtures need to be probably revisited to see if the presence
of _SUCCESS as a file is a good thing to begin with before we even get to this test case.
> Any comments / suggestions on the same welcome.
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